carryingcharges under” the al-1 Christian was asked if Presj-.1 ing'of a '■hush-hush nature.U.S. Hits Southern North Vietnam With War's Heaviest Bomb Raids ____flow of war materials to enemyBy GEORGE ESPER I troops in South Vietnam.Associated Prew Writer i Such heavy B52 strikes some-SAIGON (AP) - U.S. Air .times have signaled a massive Force B52 bombers attacked the'American ground sweep. It la southernmost part of North most unlikely that Americantroops plan a sweep into the northern half of the DMZ or above it. But the B52* could beVietnam with the heaviest sa turatioa raids of the war Mon day and todayVietnam than ever before.In South Vietnam, only on* significant ground action waa reported Monday as a general tull continued.In a day of fighting three miles southeast of the nearly abandoned combat base at Khe Sanh, 157 North Vietnamese- day ana toaay. # g artil. were Wtd, U.S. Marine* re-i Wave a“erhwave,°* lery to limit their reaction to ported. A Marine company'biggest bombers-75 planes in o[her u s offeasivej along the clashed with one enemy force mall flying from bases in Okma-_ the area anrt call#a m air1 h? aSU*SliSSi US. sources said the storage strikes and artillery. U.S. plloUleashed more than four million ,nd bunkers—sup- also found a second enemy•pound, of •aptoa.v.smm «S- «rouP nearby l,arg*l8JS r j trators headed south and the ar- With the North Vietnameseinams border. .lillery crews attacking South:forces under heavy air attack.I Each B52 carried about yietnam’a frontier the Marines reported two of-.pounds of 500-and 750-pound The Marclt;s ponied out thatitheir o*n men killed and U I bomb* .enemy artillery some of which wounded.. Nine missions of five planes |das a range of 16 miles, has Deep m the Mekong Delta, iz-I each hit just inside North Viet-jbeen harassing the big allied miles southwest of Saigon, al-“mam. Another six missions: suppiy bases of Dong Ha and lied forces reported their third e!siruck the northern ha'.f of the Cua Viet, at the eastern end of big discovery of stockpiled ene-g demilitarized zone. the DMZ. Dong Ha is also head-:my weapons since Saturday.n The mam targets were North quarters of the U.S. 3rd Marine A US. i*rmyf Raptor .Vietnamese storage areas.,Division and the nerve center and South V^enamese rregu'caves, bunkers and artillery i for allied combat operations tors covered twor sites. One aim was to w.pe out (along the DMZ. flea. «0 *ells for them, 92 rock-r enemy big guns that have been Despite 3,656 mission* over els. 1— mortar rounds. 1 ) pi*-0 steadily hammering U.S. com-North Vietnam * southern pan-.tola. *0 antipersonnel mines. ' bat bases and supply lines just handle by smaller flghterJxirab- smaU aim*»**“““** andII below the eastern flank of the ers in June-an average of 122 a boxes of medicalI «“PPhw-. .‘ DMZ and firing at aUied war-Iday-U.S. inteHigence sources! Military sp^ameo «•* » ships offshore Another objec-.say the enemy is pouring more.enemy sampans and 600 pounds 1|tiv« was to stem the increasing j supplies and troops into Soutfclol nee were destroyed,